Improvement in alignment parsing

Author: QuimMoya

examples/viewer/web-ifc-viewer.ts

@@ -178,12 +178,16 @@ async function LoadModel(data: Uint8Array) {
         }
     }
 
-    if( ifcAPI.GetModelSchema(modelID) == 'IFC4X3_RC4')
+    try
     {
         // This function should activate only if we are in IFC4X3
         let alignments = await ifcAPI.GetAllAlignments(modelID);
-        //console.log("Alignments: ", alignments);
+        console.log("Alignments: ", alignments);
+    } catch (error) {
+        // Code to handle the error
+        console.error("An error occurred:", error);
     }
+
     let lines = ifcAPI.GetLineIDsWithType(modelID,  IFCUNITASSIGNMENT);
     //console.log(lines.size());
     for(let l = 0; l < lines.size(); l++)

src/cpp/geometry/IfcGeometryLoader.cpp

@@ -300,6 +300,8 @@ namespace webifc::geometry
     spdlog::debug("[GetAlignment({})]",expressID);
     auto lineType = _loader.GetLineType(expressID);
 
+    // TODO: Add support for IFCREFERENT
+
     switch (lineType)
     {
     case schema::IFCALIGNMENT:
@@ -431,6 +433,25 @@ namespace webifc::geometry
         }
       }
 
+      auto &relNestVector = GetRelNests();
+      if (relNestVector.count(expressID) == 1)
+      {
+        auto &relNest = relNestVector.at(expressID);
+        for (auto expressID : relNest)
+        {
+          alignment.Vertical.curves.push_back(GetAlignmentCurve(expressID, sourceExpressID));
+        }
+
+        for (size_t i = 0; i < alignment.Vertical.curves.size(); i++)
+        {
+          for (size_t j = 0; j < alignment.Vertical.curves[i].points.size(); j++)
+          {
+            alignment.Vertical.curves[i].points[j] =
+                glm::dvec4(alignment.Vertical.curves[i].points[j].x, alignment.Vertical.curves[i].points[j].y, 0, 1) * transform * transform_t;
+          }
+        }
+      }
+
       break;
     }
     default:

src/cpp/web-ifc-test.cpp

@@ -286,7 +286,8 @@ int main()
 
     // std::string content = ReadFile("C:/Users/qmoya/Desktop/rac_advanced_sample_project.ifc");
     // std::string content = ReadFile("C:/Users/qmoya/Desktop/Element3D 1_modif.ifc");
-    std::string content = ReadFile("C:/Users/qmoya/Desktop/ISSUE_126_model.ifc");
+    // std::string content = ReadFile("C:/Users/qmoya/Desktop/ISSUE_126_model.ifc");
+    std::string content = ReadFile("C:/Users/qmoya/Desktop/cono.ifc");
 
     struct LoaderSettings
     {
@@ -327,7 +328,7 @@ int main()
 
     // SpecificLoadTest(loader, geometryLoader, 1179353);
     // SpecificLoadTest(loader, geometryLoader, 17);
-    SpecificLoadTest(loader, geometryLoader, 1221);
+    // SpecificLoadTest(loader, geometryLoader, 1221);
 
     // auto meshes = LoadAllTest(loader, geometryLoader, 5557);
     auto alignments = GetAlignments(loader, geometryLoader);